<table border="2">
	<thead>
		<th>学习内容</th>
		<th>图标</th>
		<th>预计时长</th>
	</thead>
	<tr>
		<td>Python</td>
		<td><img src="d.jpg" alt=""></td>
		<td>30小时</td>
	</tr>
		<tr>
		<td>前端知识</td>
		<td><img src="d.jpg" alt=""></td>
		<td>20小时</td>
	</tr>
		<tr>
		<td>Django</td>
		<td><img src="d.jpg" alt=""></td>
		<td>40小时</td>
	</tr>
</table>